ISN’T THE GROUND ROD TO MY ELECTRICAL SERVICE SUFFICIENT TO PROTECT FROM LIGHTNING?
: No, that is simply a common ground for your electrical service panel. It does not help for lightning. Terms to know. Air Terminal. A device of Copper or Aluminum that is a receptor or contact point that either draws to itself a lightning charge or flash to be carried along the conductor path to a grounding device. Approved. Simply means acceptable to the ruling authority of any given jurisdiction. Conductor Cable or “Cable”. Generally a copper or aluminum conductor formed out of an acceptable number of wires stranded and or woven together which carries the lightning or flash to the ground. Main Conductor. The conductor cable which is intended to carry lightning currents from the strike point (air terminal) safely to the ground rods and ground. Ground or Grounded. To be connected to earth or to a conductive entity that is connected to the earth itself. Ground rods must be at least 1/2 inch diameter and 8 feet long, copper clad steel or solid copper. They are to be free of paint or any
